321424123 has 8 divisors (see below), whose sum is σ = 325382400. Its totient is φ = 317473728.

The previous prime is 321424109. The next prime is 321424193.

321424123 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321424123 - 2¹⁷ = 321293051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321424094 and 321424103.

It is not an unprimeable number, because it can be changed into a prime (321424193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142438 + ... + 144676.

It is an arithmetic number, because the mean of its divisors is an integer number (40672800).

Almost surely, 2^321424123 is an apocalyptic number.

321424123 is a deficient number, since it is larger than the sum of its proper divisors (3958277).

321424123 is a wasteful number, since it uses less digits than its factorization.

321424123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941.

The product of its digits is 1152, while the sum is 22.

The square root of 321424123 is about 17928.3050788411. The cubic root of 321424123 is about 685.0035505171.

The spelling of 321424123 in words is "three hundred twenty-one million, four hundred twenty-four thousand, one hundred twenty-three".